Getting all possible vaccines has a high potential to indirectly help in that: you become less likely to die or encounter serious ailments if you happen to get infected from the bird flu and any other endemic diseases such as covid, influenza, etc.
In games for example getting both paralyzed and poisoned means your chances of dying or having permanent long-term debuffs is more likely than if you had poison and/or paralysis immunity.
For the fediverse I currently use Voyager and Raccoon for browsing and web for moderation.
As the mod tools becomes better over time I'll likely see myself primarily using Voyager and Raccoon.
In general though it's hard to say:
Like my banking apps have become so enshitified with spyware level 'features' I deleted the apps and just use their webpages now.
For Youtube and Peertube I primarily use Newpipe/Tubular/Peertube's official app. I use Invidious as the webpage exception for sharing youtube links here as Youtube's own links won't properly load thumbnails for me.
It's why both Canadian Tire, Home Depot, and Lowes all put the safety glasses on a shelf in the back corner of their stores instead of near/at checkout
just a suggestion; for the first header you can unshorten Fed to Fediverse
What's the Fed
Referring as Fed might confuse new arrivals and Fediverse is a commonly accepted term afaik👍
Another suggestion:
From there, you then curate what the community's found to suit your interests as you would in other places, following/subscribing and blocking, muting, or keyword filtering, depending on where you're participating from.
From there, you can:
opt-in and curate your personalized feed by following/subscribing to communities that's available.
opt-out and [block, mute, filter] by [users, communities, instances.
This may help explain some of the discrepencies that you're noticing:
Fedipact - The instances blocking Zuckerberg's Threads.net